【課件】Unit+2++Discovering+useful+structures+課件人教版2019+必修第二冊

ThePresentContinuousPassiveVoice

--Unit2WildlifeProtection

--現(xiàn)在進(jìn)行時的被動語態(tài)

ThePresentContinuousPassiveVoice現(xiàn)在進(jìn)行時被動語態(tài)21Let’swatchashortvideoandanswer:

Whathappenedtotheanimals?Lead-inWhataretheydoing?Baby,tellmehowcanItellyouThatI______youmorethanlifeShowmehowcanIshowyouThatI’m________byyourlightWhenyoutouchmeIcantouchyou

TofindoutthedreamistrueI_______tobelovedIneedtobe_______Ilovetobe________byyou

loveblindedlovelovedlovedLoveToBeLovedByYou是一首旋律優(yōu)美的英文歌曲，演唱者是美國流行歌手馬克·特倫茨（MarcTerenzi）。

2005年，Marc與德國歌手莎拉·寇娜（SarahConnor）結(jié)婚時，將這首歌作為愛的禮物獻(xiàn)給妻子。主動語態(tài)被動語態(tài)Fillintheblankwiththelyrics.Thepassivevoice

被動語態(tài)二、被動語態(tài)表示主語是動作的承受者。

Thetreewasplantedbyus.Lead-in：Review一、結(jié)構(gòu)：be+done表示“某人/事此時此刻正在被…”，主語是動作的承受者,表示說話時或現(xiàn)階段某個被動的動作正在進(jìn)行。(3)Whatmeasuresarebeingtakentohelpthem?(2)Whatisbeingdonetohelpthem?(1)Africanelephantsarebeinghunted.Underlinethepresentcontinuouspassivevoiceinthesentencesanddiscussitsfunction.HuntersarehuntingAfricanelephants.Whatarepeopledoingtohelpthem?Whatmeasuresarepeopletakingtohelpthem?定義：表示“某人/事此時此刻正在被…”，主語是動作的承受者,表示說話時或現(xiàn)階段某個被動的動作正在進(jìn)行。1.be+doing(presentcontinuous)

be+done(passivevoice)Thebamboosareeaten

bythepanda.Thewaterisdrunk

bythetigers.ThegrassiseatenbytheelephantThepandaiseatingbamboos.Thetigersaredrinkingwater.Theelephantiseatingthegrass.ThebamboosarebeingeatenbythepandaThegrassisbeingeatenbytheelephant.Thewaterisbeingdrunkbythetigers.Presentationbe+being+done(presentcontinuouspassivevoice)被動語態(tài)的時態(tài)時態(tài)

結(jié)構(gòu)一般現(xiàn)在時

am,is,are+done一般過去時was,were+done一般將來時willbe+done現(xiàn)在進(jìn)行時am/is/arebeing+done現(xiàn)在完成時have/hasbeen+done過去進(jìn)行時was/werebeing+done過去完成時hadbeen+done過去將來時would/shouldbe+done情態(tài)動詞can/must/maybe+done被動語態(tài)的思路判斷句子的時態(tài)判斷主語與動詞之間的語態(tài)關(guān)系（即主語是動作的發(fā)出者還是承受者，如果主語是動作的發(fā)出者則是主動語態(tài)。如果主語是動作的承受者則是被動語態(tài)）主語的單復(fù)數(shù)直接決定be動詞的單復(fù)數(shù)形式。1.Theplan_______________thismonth.計劃本月正在執(zhí)行。2.Yourcomputer__________________now.現(xiàn)在沒人修理你的電腦。3.___thesefields________thisweek？這周有人在給這些地澆水嗎？4.Where___you____________now？現(xiàn)在你們在哪里接受面試？isbeingcarriedoutisnotbeingrepairedArebeingwateredarebeinginterviewed肯定形式：am/is/are＋being＋過去分詞否定形式:am/is/are＋not＋being＋過去分詞疑問形式:Am/Is/Are＋主語＋being＋過去分詞？特殊疑問句的形式:把特殊疑問詞放在一般疑問句前面。eg：Theyarebuildingtwostadiums.“三不變”Twostadiums______________bythem.Howmanystadiums____________?arebeingbuiltarebeingbuilt主動語態(tài)變被動語態(tài)的原則“三變”原句主語by的賓語賓語主語

謂語由主動被動原句意思不變原句時態(tài)不變原句主謂賓以外成分不變①表示說話時正在進(jìn)行的被動動作,句中常用now,rightnow,atthismoment,atpresent等時間狀語。-Mum,mycomputerisbeingfixed.-CanIuseyours?②表示現(xiàn)階段正在進(jìn)行的被動動作.(說話時不一定在進(jìn)行)

Anewlibraryisbeingbuiltinourschool.Itwillopennextyear.Nowadays,somefactoriesarepollutingtheriver.Therefore,theriver___bysomefactories.isbeingpollutedPractice1③表示一種習(xí)慣的被動行為(always,constantly),帶有贊揚、羨慕、討厭等感情色彩。Childrenofourneighborsarealwaysbeingpraisedbyourparents.Besides,peopleinsomeareasarecuttingdowntreesforhousebuilding.Trees

byhumanbeingsforhousebuilding.Asaresult,animalsarelosingtheirhabitats.arebeingcutdownLet’slookatthe

picturesandanswer:

Whathappenedtotheanimals?【Practice】Humanbeingskillwildanimals.Wildanimals

byhumanbeings.arekilledThatistosay,theocean________________(pollute)byalotofrubbishthatcausesanimaldeaths.isbeingpollutedWhat’smore,Alotofrubbishispollutingtheocean.Besides,humanbeingsarecuttingdown

treesforhousebuilding.Trees

byhumanbeingsforhousebuilding.arebeingcutdownAtpresent,humanracearedestroyingtheenvironment.Atpresent,the

environment

byhumanrace.isbeingdestroyedWhathappenedtotheforest?Toputitanotherway,theelephants__(kill)bypeople,andalsotheirivories

(use)fordecoration.arebeingkilledarebeingusedPeoplearekillingtheelephantsfortheirivories.Nowadays,somefactoriesarepollutingtheriver.Nowadays,theriver

bysomefactories.Asaresult,animalsarelosingtheirhabitats.isbeingpollutedWhathappenedtothesea?WhatImeanis,theshark_______________(catch)bythehuntersanditsfin_________________(eat)bysomeone.isbeingeatenisbeingcaughtApartfromthis,peoplearecatchingthesharkfortheirfin.

Inthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Thatwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.Smallbirds______________(catch)withnets.Wildducks_____________(sell)atfoodmarkets.Fishandsnakes______________(kill)forfoodinrestaurants.Andevenworse,thewetland_______________(destroy).Somepart________________(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland______________(pollute)seriouslyeveryday.Iamveryworiedaboutit.Whatcanwedo?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedisbeingpollutedarebeingcovered

3.Whatishappeningtothefishandsnakes?2.Whatishappeningtothewildducks?1.Whatishappeningtothesmallbirdsinthewetland?4.Whatishappeningtothewetland?Smallbirdsarebeingcaughtwithnets.Wildducksarebeingsoldatfoodmarkets.

Thewetlandarebeingkilledforfoodinrestaurants.Thewetlandarebeingpollutedseriouslyeveryday.Thinkandanswerpeople;remindforest;patrol(巡邏)rubbish;collectwildlifeproducts;notbuygame(野味);noteatlaw;setupProduction：makesentencesWhatisbeingdonetohelpthewildlife?Makesentencesbyusingpassivevoice.rhinohorn犀牛角2341sharkplasticbottlesrubbish垃圾5air;smokePractice1.Choosethesuitableverbformstocompletethesentences.1.I’m(working/beingworked)athometodaybecausemyofficeis(painted/

beingpainted).2.Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.3.Whatpartofthecityis(attacked/beingattacked)

now?4.Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.5.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/

beinghunted)?6.

Itisreportedthatlivingspacesforwildifeare(reduced/beingreduced)duetothecuttingoftrees.2.LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.現(xiàn)在完成進(jìn)行時的被動語態(tài)定義：表示“某人/事此時此刻正在被…”，主語是動作的承受者,表示說話時或現(xiàn)階段某個被動的動作正在進(jìn)行。肯定結(jié)構(gòu)否定結(jié)構(gòu)一般疑問結(jié)構(gòu)特殊疑問結(jié)構(gòu)主語

+be(am/is/are)+beingdone主語

+be(am/is/are)+notbeingdonebe(am/is/are)+主語+beingdone特殊疑問詞+be(am/is/are)+主語+beingdoneSummary1.NewYear’sDayiscomingandChildren’sPark_____forit.

A.isprepared

B.isbeingprepared

C.hasprepared

D.ispreparing2.Withthedevelopmentofscience,morenewtechnology_____tothefieldsofIT.

A.hasintroduced

B.isbeingintroduced

C.isintroduced